LM3263 Datasheet Step-down DC-dc Converter

Manufacturer: Texas Instruments

Overview: Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM3263 SNVS837B – JUNE 2013 – REVISED APRIL 2016 LM3263 High-Current Step-Down DC-DC Converter With MIPI® RF Front-End Control.

Datasheet Details

Part number	LM3263
Manufacturer	Texas Instruments
File Size	2.14 MB
Description	Step-Down DC-DC Converter
Datasheet	LM3263-etcTI.pdf

General Description

The LM3263 is a DC-DC converter optimized for powering multi-mode multi-band RF power amplifiers (PAs) from a single lithium-ion cell.

The LM3263 steps down an input voltage from 2.7 V to 5.5 V to a dynamically adjustable output voltage of 0.4 V to 3.6 V.

The output voltage is externally programmed through the RFFE Digital Control Interface and is set to ensure efficient operation at all power levels of the RF PA.

Key Features

1 MIPI® RFFE Digital Control Interface.
Operates from a Single Li-Ion Cell: 2.7 V to 5.5 V.
Dynamically Adjustable Output Voltage: 0.4 V to 3.6 V (Typical) in PFM and PWM Modes.
High-Efficiency PFM and PWM Modes With Internal Seamless Transition.
2.5-A Maximum Load Current in PWM Mode.
2.7 MHz (Typical) Switching Frequency.
ACB (Reduces Inductor Requirements and Size).
Internal Compensation.
Current and Thermal Over.

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